About Calanca
Calanca is a Swiss municipality located in the canton of Graubünden (GR), at 46.301° latitude and 9.094° longitude. The municipality is part of the eastern Alps, alpine climate with snowy winters and cool summers. Also known as Calanca, Calanca benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Calanca
The climate in Calanca is characteristic of the eastern Alps, alpine climate with snowy winters and cool summers. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Calanca and neighboring municipalities.
On this page you will find the detailed weather forecast for Calanca: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Calanca: 1991–2020 normals
In Calanca (1486 m), the mean annual temperature is 5.7 °C. The warmest month is July (14.8 °C on average) and the coldest January (−3.2 °C). About 1785 mm of precipitation falls per year, peaking in August (211 mm) with a minimum in February (64 mm). The sun shines for about 1514 hours a year, mostly in July (167 h). On average there are 171 frost days per year. The mean monthly maximum reaches 25.5 °C and the absolute minimum −11.2 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | −3.2 °C | 8.6 °C | −11.2 °C | 77 | 100 | 30 | 0 |
| Feb | −1.8 °C | 10.3 °C | −10.5 °C | 64 | 111 | 27 | 0 |
| Mar | 2.0 °C | 14.8 °C | −8.0 °C | 82 | 145 | 27 | 0 |
| Apr | 5.3 °C | 17.5 °C | −4.9 °C | 139 | 132 | 18 | 0 |
| May | 9.0 °C | 21.2 °C | −0.4 °C | 185 | 132 | 4 | 0 |
| Jun | 12.8 °C | 24.8 °C | 3.2 °C | 200 | 149 | 0 | 0 |
| Jul | 14.8 °C | 25.5 °C | 5.3 °C | 187 | 167 | 0 | 0 |
| Aug | 14.4 °C | 25.4 °C | 5.1 °C | 211 | 158 | 0 | 1 |
| Sep | 10.4 °C | 21.1 °C | 1.5 °C | 180 | 137 | 1 | 0 |
| Oct | 6.0 °C | 17.2 °C | −2.9 °C | 177 | 112 | 11 | 0 |
| Nov | 1.0 °C | 12.2 °C | −7.3 °C | 190 | 83 | 23 | 0 |
| Dec | −2.8 °C | 8.2 °C | −10.7 °C | 93 | 88 | 30 | 0 |
| Year | 5.7 °C | 25.5 °C | −11.2 °C | 1785 | 1514 | 171 | 1 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Grono (7 km, 324 m), Matro (18 km, 2171 m), S. Bernardino (19 km, 1639 m), adjusted to the elevation of Calanca (1486 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Calanca:
- Weather Buseno
- Weather Santa Maria in Calanca
- Weather Castaneda
- Weather San Vittore
- Weather Biasca
- Weather Lumino
- Weather Cama
- Weather Lostallo
- Weather Grono
- Weather Arbedo-Castione
- Weather Riviera
- Weather Soazza
→ Nearby cities · Canton Graubünden
Frequently asked questions about weather in Calanca
What is the weather in Calanca today?
At the top of the page you will find the current temperature, precipitation and wind in Calanca, updated in real time.
What is the 15-day forecast for Calanca?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Calanca.
Will it rain tomorrow in Calanca?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Calanca.
What is the air quality in Calanca?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Calanca.
Are there weather alerts for Calanca?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Calanca located?
Calanca sits at around 1486 m above sea level in the canton of Graubünden. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Calanca?
The warmest month in Calanca is July, averaging 14.8 °C (1991–2020 normal). The coldest is January at −3.2 °C.
How much does it rain in Calanca per year?
Calanca receives about 1785 mm of precipitation a year. The wettest month is August (211 mm), the driest February (64 mm).
When is the best time to visit Calanca?
For warmth and sunshine: July (14.8 °C on average, 167 h of sun). The coldest month is January (−3.2 °C). Check the 15-day forecast above for your dates.